<template>
	<view class="login-container">
		<uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
		<button class="btn-login" type="primary" @click="getUserInfo">一键登录</button>
		<text class="tips-text">登录后尽享更多权益</text>
	</view>
</template>

<script>
	import {mapMutations,mapState} from 'vuex'
	
	export default {
		name:"my-login",
		data() {
			return {
				
			};
		},
		computed:{
			...mapState('m_user',['redirectInfo'])
		},
		methods:{
			...mapMutations('m_user',['updateUserInfo','updateToken','updateRedirectInfo']),
			getUserInfo(e){
				var that = this
				uni.getUserProfile({
					desc : '收集信息用于管理',
					success:function(e){
						that.updateUserInfo(e.userInfo)
						that.getToken(e)
					},
					fail:function(){
						return uni.$showMsg('你取消了授权!')
					}
				})
			},
			async getToken(e){
				//获取token对应的指
				const [err,res] = await uni.login().catch(err => err)
				
				if(err || res.errMsg !== 'login:ok')return uni.$showMsg('登录失败!')
				
				const query = {
					code : res.code,
					encryptedData : e.encryptedData,
					iv : e.iv,
					rawData : e.rawData,
					signature : e.signature
				}
				
				const {data:loginResult} = await uni.$http.post('/api/public/v1/users/wxlogin',query)
				if(200 !== 200){
					return uni.$showMsg('登录失败!')
				}
				 this.updateToken('token')
				 this.navigateBack()
			},
			navigateBack(){
				if(this.redirectInfo && this.redirectInfo.openType === 'switchTab'){
					uni.switchTab({
						url:this.redirectInfo.from,
						complete: () => {
							this.updateRedirectInfo(null)
						}
					})
				}
			}
		}
	}
</script>

<style lang="scss">
.login-container{
	height: 750rpx;
	background-color: #F8F8F8;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	
	.btn-login{
		width: 90%;
		border-radius: 100px;
		margin: 15px 0;
		background-color: #C00000;
		
	}
	
	.tips-text{
		font-size: 12px;
		color: gray;
		
	}
}
</style>